115444999 has 2 divisors, whose sum is σ = 115445000. Its totient is φ = 115444998.

The previous prime is 115444997. The next prime is 115445017. The reversal of 115444999 is 999444511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115444999 - 2¹ = 115444997 is a prime.

It is a super-2 number, since 2×115444999² = 26655095588220002, which contains 22 as substring.

Together with 115444997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115444997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57722499 + 57722500.

It is an arithmetic number, because the mean of its divisors is an integer number (57722500).

Almost surely, 2^115444999 is an apocalyptic number.

115444999 is a deficient number, since it is larger than the sum of its proper divisors (1).

115444999 is an equidigital number, since it uses as much as digits as its factorization.

115444999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 115444999 is about 10744.5334472931. The cubic root of 115444999 is about 486.9208536931.

The spelling of 115444999 in words is "one hundred fifteen million, four hundred forty-four thousand, nine hundred ninety-nine".